Structurally improved manual sofa stretching device
A structurally improved manual sofa stretching device includes a base. A functional frame is arranged on the base. The functional frame includes a leg structure, a seat structure and a back structure. The leg structure is connected to the seat structure, and the seat structure is connected to the ba...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A structurally improved manual sofa stretching device includes a base. A functional frame is arranged on the base. The functional frame includes a leg structure, a seat structure and a back structure. The leg structure is connected to the seat structure, and the seat structure is connected to the back structure. The seat structure includes a mounting side plate, and the mounting side plate is arranged on the base. The leg structure includes a third foot rod, a fourth foot rod, a first extension link rod, a second extension link rod, a third extension link rod, a fourth extension link rod, a first Z-shaped linkage rod, a second Z-shaped linkage rod, a first footrest, a second footrest and a small footrest. |
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